The Black Legion looks like a mystic cult but the look is just a front for run-of-the-mill extortion and racketeering. It was the perfect organization for thug LARPers until it was busted up by the Flame.
References: [The Flame #7] [1941] [cult-like criminal organization; said to serve death; turns out to be a front for regular crime; broken up by the Flame; “Hail the master of death!”; ]
[org]
Metahuman Database 